A while back, Intel previewed it’s 5×5 form factor, designed to be smaller than M-ITX. New boards and cases have been released for the form factor, with a new name – Mini-STX. At CES, ASRock discussed its upcoming H110M-STX Mini PC that will use the form factor. The chassis ASRock specified for this new mini-PC measured 155 x 155 x 80 mm (L x W x H), 1.9 litres. Although SFF PCs of this size are relatively common (Intel NUC, Gigabyte Brix, etc), they are almost entirely built with soldered CPUs and GPUs and can’t be upgraded beyond changing the memory …